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參數(shù)資料
| 型號(hào)： | T7698 |
| 廠商： | Lineage Power |
| 英文描述： | Quad T1/E1 Line Interface and Octal T1/E1 Monitor(四T1/E1線接口和八T1/E1監(jiān)控器) |
| 中文描述： | 四T1/E1線路接口和八路的T1/E1監(jiān)視器（四個(gè)T1/E1線接口和八T1/E1的監(jiān)控器） |
| 文件頁(yè)數(shù)： | 71/112頁(yè) |
| 文件大?。?/td> | 1359K |
| 代理商： | T7698 |
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Data Sheet
January 1999
T7698 Quad T1/E1 Line Interface and Octal T1/E1 Monitor
71
Lucent Technologies Inc.
Frame Monitors
(continued)
Alarms and Performance Monitoring
(continued)
Tables 44—47 summarize the errored second, bursty errored second, severely errored second, and unavailable
second counter definitions.
*
Depending on the T7698 mode, the error conditions used to determine the errored and severely errored seconds can be: loss of frame
alignment (LFA), severely errored frame (SEF), loss of multiframe alignment (LMFA), alarm indication signal (AIS), remote frame alarm
(RFA), and the Sa6_8hex, Sa6_Ehex, Sa6_Fhex, an dSa6_Chex codes. The desired error condition can be enabled by setting the corre-
sponding bit high in registers Framer_PR4—Framer_PR7.
Table 44. T7698 Errored Second Counters Definition
Errored Event
T7698 Mode
Definition (Within a One-Second Period)
Programmable
Counter
Size
Hardwired
Value
x = 1
x = 1
x = 1
x = 1
x = 1
Errored
Second
(ES)
Events
DS1 (non-ESF)
DS1-ESF
CEPT without CRC
CEPT with CRC-ET1
≥
x CRC-4 errors or any error conditions
CEPT with
CRC-ET1 Remote
conditions
CEPT with CRC-NT1
≥
x Sa6 001X code events or any error
conditions
CEPT with
CRC-NT1 Remote
conditions
≥
x FER events or any error conditions*
≥
x CRC-6 errors or any error conditions
≥
x FER events or any error conditions
16
≥
x E bit = 0 events or any error
16
x = 1
16
≥
x Sa6 00X1 code events or any error
x = 1
16
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